Bicycle frame



FIG. 1 is a front perspective view of a bicycle frame;

FIG. 2 is a front elevation view of the bicycle frame of FIG. 1;

FIG. 3 is a rear elevation view of the bicycle frame of FIG. 1;

FIG. 4 is a left elevation side view of the bicycle frame of FIG. 1;

FIG. 5 is a right elevation view of the bicycle frame of FIG. 1;

FIG. 6 is a top plan view of the bicycle frame of FIG. 1; and,

FIG. 7 is a bottom plan view of the bicycle frame of FIG. 1.

The broken lines in the drawings illustrate portions of the bicycleframe that form no part of the claimed design.

CLAIM We claim the ornamental design for a bicycle frame, as shown anddescribed.